Page 22 - The Beauty and Sorrow in Endodontics (WL and C/S)

Cleaning and Shaping

Fig B1 Fig B2

Excessive shaping and enlargement of The apical third of the canal is usually

the canal with no regards to its curved to some degree, thus making

natural curvature results in excessive it the area most at risk of perforation

removal of tooth structure and higher or transportation.

risks of perforation and root fracture.

Fig B3 Fig B4 Fig B5

The apical third of the canal Without adequate Without shaping the apical
system is the most complex, enlargement of the canal, portion of the canal to a
if the main canal is not sodium hypochlorite is proper taper, one will not be
properly cleaned and shaped, unable to reach and able to find a master cone

the lateral or accessory disinfect the area. that reaches the ideal length
canals in that area cannot be and exhibits proper tugback. 20

properly disinfected.